<template>
    <!-- #ifdef APP-NVUE -->
    <text :style="styleObj" class="uni-icons" @click="_onClick">{{ unicode }}</text>
    <!-- #endif -->
    <!-- #ifndef APP-NVUE -->
    <text
        :style="styleObj"
        class="uni-icons"
        :class="['uniui-' + type, customPrefix, customPrefix ? type : '']"
        @click="_onClick"
    >
        <slot></slot>
    </text>
    <!-- #endif -->
</template>

<script>
import { fontData } from "./uniicons_file_vue.js";

const getVal = (val) => {
    const reg = /^[0-9]*$/g;
    return typeof val === "number" || reg.test(val) ? val + "px" : val;
};

// #ifdef APP-NVUE
var domModule = weex.requireModule("dom");
import iconUrl from "./uniicons.ttf";
domModule.addRule("fontFace", {
    fontFamily: "uniicons",
    src: "url('" + iconUrl + "')"
});
// #endif

/**
 * Icons 图标
 * @description 用于展示 icons 图标
 * @tutorial https://ext.dcloud.net.cn/plugin?id=28
 * @property {Number} size 图标大小
 * @property {String} type 图标图案，参考示例
 * @property {String} color 图标颜色
 * @property {String} customPrefix 自定义图标
 * @event {Function} click 点击 Icon 触发事件
 */
export default {
    name: "UniIcons",
    props: {
        type: {
            type: String,
            default: ""
        },
        color: {
            type: String,
            default: "#333333"
        },
        size: {
            type: [Number, String],
            default: 16
        },
        customPrefix: {
            type: String,
            default: ""
        },
        fontFamily: {
            type: String,
            default: ""
        }
    },
    emits: ["click"],
    data() {
        return {
            icons: fontData
        };
    },
    computed: {
        unicode() {
            let code = this.icons.find((v) => v.font_class === this.type);
            if (code) {
                return code.unicode;
            }
            return "";
        },
        iconSize() {
            return getVal(this.size);
        },
        styleObj() {
            if (this.fontFamily !== "") {
                return `color: ${this.color}; font-size: ${this.iconSize}; font-family: ${this.fontFamily};`;
            }
            return `color: ${this.color}; font-size: ${this.iconSize};`;
        }
    },
    methods: {
        _onClick() {
            this.$emit("click");
        }
    }
};
</script>

<style lang="scss">
/* #ifndef APP-NVUE */
@import "./uniicons.css";

@font-face {
    font-family: uniicons;
    src: url("./uniicons.ttf");
}

/* #endif */
.uni-icons {
    font-family: uniicons;
    text-decoration: none;
    text-align: center;
}
</style>
